#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>

int main()
{
	int n = 0;
	scanf("%d", &n);
	int i, j;
	for (i = 0; i < n; i++)
	{
		for (j = 0; j < n; j++)
		{
			if (i == j || i + j == n - 1)
				printf("*");
			else
				printf(" ");
		}
		printf("\n");

	}
	return 0;
}